Git

Fremium Repository based

• Repository based (Projects)

Built-in security

File History Tracking

Unlimited Public/ Private Repositories

Track issues and task progress

Track issues and task progress

Practical Assumptions

• Computer (Mac, Windows, Linux, etc..) with administrative privileges
• Software download and installation experience

Practical Requirements

• GitHub account
• Rstudio
• Git

Exercises 1

STEP 1 : GitHub account username

First tell Git your GitHub username e.g. dzvoti999

git config --global user "dzvoti99"

STEP 2: GitHub account email address

Second tell Git your GitHub email address e.g. cer*************i@gmail.com

git config --global user.email "cer*************i@gmail.com"

STEP 3: Generate SSH Key pairs in Rstudio

To create access keys for GitHub in RStudio.

1. Go to Global Options (from the Tools menu)
2. Click Git/SVN
3. Check Enable version control interface for RStudio projects

STEP 3: Generate SSH Key pairs in Rstudio…

4. Click Create SSH Key

STEP 3: Generate SSH Key pairs in Rstudio…

5. Click View public key
6. Copy public key

   ---

STEP 4: Adding the SSH key to your GitHub account

1. Go to your GitHub account in the browser
2. Click your GitHub profile photo(right corner) then Click on settings.

   ---

STEP 4: Adding the SSH key to your GitHub account…

3. Click SSH and GPG keys in the Access on the left side

   ---

STEP 4: Adding the SSH key to your GitHub account…

4. Click New SSH key to add the SSH key we copied from Rstudio

   ---

STEP 4: Adding the SSH key to your GitHub account…

5. Give your key a Title e.g. Rstudio
6. Leave key type as Authentification Key
7. Paste the SSH key copied from Rstudio

   ---

8. Click Add Key

git clone

• git clone copies/clones your remote repository(GitHub) to your local Rstudio
• done to link a GitHub repo to Rstudio
• only done once, when you begin working on a new project

git add

• The git add command adds new or changed files in your working directory to the Git staging area.
• This prepares the files for commits

git commit

• git commitcreates a snapshot of your entire repository at specific times.
• make new commits after every script change.
• every commit should be accomanied by a commit message

Commit message

• Commit messages should be short and descriptive of your change.
• should tell a story
• When looking through your repository changes/history you’ll be guided by the commit messages,

Git push

• git push updates the remote repository on GitHub with local commits.
• • run git push regularly in Rstudio to stay in sync with GitHub

Git pull

• git pull updates your current local repository branch in Rstudio from the GitHub cloud
• run git pull regularly in Rstudio to stay in sync with GitHub

1. In the upper-right corner of any page, use the drop-down menu, and select New repository.

   ---

2. Type a short, memorable name for your repository. e.g., TFNC-Assignments
3. Write a short description
4. Select private visibility (to make your repo private)

   ---

5. Check `Add a ReadMe file
6. Select the R gitignore template

   ---

7. Select a licence

   ---

8. Create repo

   ---

8. Repository landing page

   ---

In GitHub

• On your repository(TFNC-Assignments) page
• Click code
• Click SSH
• Copy the link e.g. git@github.com:dzvoti/TFNC-Assignments.git

  ---

In Rstudio

• Click New Project

  ---

• Select Version Control

  ---

• Select Git

  ---

• Paste the repository url you copies from GitHub e.g.git@github.com:dzvoti/TFNC-Assignments.git`
• Git your project directory(folder) a name (Best to use same name as repo)
• Tell git where to place the folder

  ---

Add files

Create a new file called First-script.R with the code below

library(tidyverse)

Stage files

• File will appear in the Git tab

  ---

• Check the box next to a file (stages) adds it to the stagging area

  ---

Write commit message

• Write a suitable commit message and click commit

  ---

Commits confirmed

• Confirm commits and click close

  ---